4 ELECTRICAL CONNECTIONS
44
OPTISONIC 6300
www.krohne.com 09/2020 - 4006413102 - TD OPTISONIC 6300 V2 R02 en
4.4 Power supply
100...230 VAC (tolerance range: -15% / +10%)
• Note the power supply voltage and frequency (50...60 Hz) on the nameplate.
• The protective ground terminal PE
PEPE
PE of the power supply must be connected to the separate U-
clamp terminal in the terminal compartment of the signal converter.
24 VDC (tolerance range: -55% / +30%)
24 VAC/DC (tolerance ranges: AC: -15% / +10%; DC: -25% / +30%)
• Note the data on the nameplate!
• For measurement process reasons, a functional ground FE
FEFE
FE must be connected to the
separate U-clamp terminal in the terminal compartment of the signal converter.
• When connecting to functional extra-low voltages, provide a facility for protective separation
(PELV) (acc. to VDE 0100 / VDE 0106 and/or IEC 60364 / IEC 61140 or relevant national
regulations).
If this device is intended for permanent connection to the mains, it is required (for example for
service) to mount an external switch or circuit breaker near the device for disconnection from
the mains. It shall be easily reachable by the operator and marked as the disconnecting device
for this equipment.
The switch or circuit breaker and wiring has to be suitable for the application and shall also be in
accordance with the local (safety) requirements of the (building) installation
(e.g. IEC 60947-1 / -3).
For devices used in hazardous areas, additional safety notes apply; please refer to the Ex
documentation.
The power terminals in the terminal compartments are equipped with additional hinged lids to
prevent accidental contact.
Figure 4-4: Power supply connection
1 100...230 VAC (-15% / +10%), 22 VA
2 24 VDC (-55% / +30%), 12 W
3 24 VAC/DC (AC: -15% / +10%; DC: -25% / +30%), 22 VA or 12 W
The device must be grounded in accordance with regulations in order to protect personnel
against electric shocks.
240 VAC+5% is included in the tolerance range.
For 24 VDC, 12 VDC-10% is included in the tolerance range.
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